Quality control of solid materials

Base decisions on solid science


Delve into the process of improving quality throughout production


Manufacturing teams use our latest measurement technology to make swift, data-driven decisions before and after coating, printing and bonding. From polymers, composites, glass, and metal to wood and other natural materials see how surface science drives quality control.

What is your material?

What is your process?

Mobile Surface Analyzer – MSA One-Click SFE for wettability analysis

MSA One-Click SFE

Analyzing wettability in a second with only one click

Mobile Surface Analyzer

Surface roughness

Surface roughness is the degree of unevenness of the surface of a solid below the scale of magnitude …


Coating of glass

Quality control of the interface chemistry of glass bonds and treated surfaces

Use Case


Wetting describes the degree to which a liquid spreads on a solid when it comes into contact with it. …


Drop Shape Analyzer – DSA30S for wettability analysis


The versatile instrument for semi-automatic wettability analysis

Drop Shape Analyzer

Drop shape analysis

Drop shape analysis (DSA) is an image analysis method for determining the contact angle from the shadow …


Drop Shape Analyzer – DSA100E for wetting and adhesion analysis


The automated premium solution for wetting and adhesion analysis of solids and liquids

Drop Shape Analyzer

Polymer surface treatment

Contact angle measurements for determining wettability and adhesion

Use Case

Adhesion on polymers

Contact angle and surface tension for optimizing plastic coatings

Use Case

Replacing the solid needle by a liquid one when measuring static contact angles

Comparison of the traditional solid needle dosing system and a novel pressure-based dosing system, a …

Application Report

Production of electronic boards

Optimization of cleaning and final coating using surface chemical methods

Use Case

Paints and varnishes on surfaces

From spreading, adhesion, interfacial tension to the final functions of the finished coating

Use Case


Wetting measurements in depressions and on concave surfaces

Top View Analyzer

Production of cement and concrete

Interfacial chemistry measuring methods for the material behavior before and after setting

Use Case

Owens, Wendt, Rabel and Kaelble (OWRK) method

The Owens, Wendt, Rabel and Kaelble method is a standard method for calculating the surface free energy …


SRA Surface Roughness Analyzer


The smooth solution for rough surfaces

Surface Roughness Analyzer

Liquid Needle

The Liquid Needle is a dosing technology for optical contact angle measurement developed by KRÜSS.


Inkjet printing

Optimization of the ink, the printing process and the substrate with surface science methods

Use Case

Drop Shape Analyzer – DSA100S for wettability analysis


The semi-automatic premium solution for wettability analysis

Drop Shape Analyzer

Biocompatibility of medical implants

Surface characterization for body-compatible dental and bone prostheses

Use Case

Drop Shape Analyzer – DSA100W for wettability and adhesion


Automatic wettability and adhesion analysis of wafers and other round samples

Drop Shape Analyzer

Surface Science Online Course

Increase your knowledge and update your practical expertise in the field of surface science. Facilitated …


Webinars & Seminars

Sessile Drop

The sessile drop is the standard arrangement for optical measurement of the contact angle using drop …


Polar part

The polar part is that part of the surface free energy of a solid or the surface tension of a liquid …


Mobile Surface Analyzer – MSA One-Click SFE for wettability analysis

MSA Flexible Liquid

Fast, automatic, and non-destructive wetting analysis with your liquids of choice

Mobile Surface Analyzer

Drop Shape Analyzer – DSA30B for contact angle


The versatile manual instrument for changing contact angle tasks

Drop Shape Analyzer


Fast and reliable roughness control according to standard

Surface Roughness Tester


Universal analysis of liquid and solid surfaces | K100

Determining surface and interfacial tension, contact angles, or critical micelle concentration is necessary in many industries. Whether improving surfactants, cosmetics, inks, or pharmaceutical ingredients, the benchmark tensiometer K100 is ready to give you fast and reliable results with a high degree of automation.

Confocal microscopy

Confocal microscopy is an optical method for obtaining three-dimensional images of surface textures …



Wettability describes the attempt of a solid to form a common interface with a liquid which comes into …


Metal plating

Interfacial measurement techniques for characterizing wetting agents and checking for their concentration

Use Case

Adhesion on metals

Contact angle and surface tension for the processing of metal surfaces

Use Case

Coating of polymers

Methods for measuring wetting and adhesion

Use Case

Drop Shape

Mobile surface quality control | MSA

Measure surface free energy with one click an on-site with the Mobile Surface Analyzer – MSA. Our animated video shows all the features of this instrument and how it is tailor-made for mobile quality control.

SRA Head

Ready for in-line quality control

Surface Roughness Analyzer

Drop Shape Analyzer – DSA30E for wetting and adhesion analysis


Versatile automated wetting and adhesion analysis of solids and liquids

Drop Shape Analyzer

Drop Shape

Surface free energy with one click | MSA

Wetting and adhesion of materials is governed by their surface free energy (SFE). To optimize painting, coating, or bonding, the SFE is increased by pretreatment. For quality control, our Mobile Surface Analyzer – MSA performs very fast mobile measurements of the SFE using the contact angle method.


Spreading describes the expansion of a liquid phase on a second liquid or solid phase (complete wetting). …


Lotus effect

The lotus effect (lotus blossom effect) describes the behavior of ultrahydrophobic surfaces.


Characterizing particle size of filler materials quickly and easily

Sedimentation measurements on calcium carbonate powders with a tensiometer

Application Report

Soldering processes

Contact angle and surface tension as parameters for optimizing soldering processes

Use Case

ADVANCE Software

ADVANCE | Drop Shape

Comprehensive wetting and adhesion analysis requires intelligent and versatile software – like ADVANCE. The software supports every degree of automization up to full software control of surface free energy (SFE) measurement, SFE mapping, or tilting experiments. Using our liquid needle dosing technique, ADVANCE even accesses the SFE within a second.

Interfacial tension

In the broader sense, interfacial tension is defined as the work which must be expended to increase …


Drop Shape Analyzer – DSA25S for wettability measurements


Semi-automatic wettability analysis with high dosing precision

Drop Shape Analyzer

Optimizing flame treatment of polymer surfaces

Mobile contact angle measurements on glass fiber reinforced composite materials for automobile interiors

Application Report

Adhesion on glass

Contact angle and surface tension in glass cleaning and coating

Use Case

Why test inks cannot tell the full truth about surface free energy

A comparative study between test inks and contact angle measurements in our laboratory

Application Report

Circle method

Method for determining the contact angle in drop shape analysis. With the circle method (circular segment …


Offset printing

Quality assurance by means of interfacial chemical investigations of moistening agents, inks and printing …

Use Case

Wetting and coating of textiles

Contact angle and surface tension for optimizing the coating of functional textiles

Use Case

Drop Shape Analyzer – DSA100L for wettability analysis


Automatic wettability analysis of large surfaces

Drop Shape Analyzer

Coating of metals

Chemical interface measurements for protection, painting and bonding

Use Case

Roughness measurement of raw, boiled, and painted eggs

An Easter study using confocal microscopy

Application Report

Drop Shape

Revolutionary dosing technique | Liquid Needle

Watch the story of the Liquid Needle, our revolutionary dosing technique for contact angle measurement. This fast and reproducible way of drop placement uses a very thin jet which does not distort the drop. Our developers and scientists reveal the process of its creation and talk about how they validated the new method with results that were then published in a peer-reviewed scientific paper.

Drop Shape

Universal analysis of wettability and adhesion | DSA100

How intensively a solid is wetted by a liquid strongly depends on the solid’s surface free energy (SFE). The modularity and versatility of the Drop Shape Analyzer – DSA100, our high-end instrument for measuring contact angle and SFE, makes it ready for any task in wetting and adhesion analysis imaginable.


A tensiometer is a device for measuring the surface tension of a liquid and/or the interfacial tension …


Drop Shape Analyzer – DSA100B for contact angle


The manual premium solution for changing contact angle tasks

Drop Shape Analyzer

Height-width method

Method for determining the contact angle in drop shape analysis. The contact angle is calculated from …


Top-view distance method

The top-view distance method is an optical method for measuring the contact angle.


Surface treatment of wood

Surface tension and contact angle for optimizing the protection and bonding of wood

Use Case

Drop Shape Analyzer – DSA25B for contact angle


The easy-to-use manual instrument for changing contact angle tasks

Drop Shape Analyzer

Fiber reinforced polymers

Contact angle and surface tension for optimizing the wetting and adhesion between fibers and matrix …

Use Case

Quality control of wafers

Contact angle and surface energy as parameters for the structure of homogenous, functional wafer layers

Use Case

Surface free energy (SFE), surface energy

Surface free energy (SFE) is the work that would be necessary to increase the surface area of a solid …


Control of polishing processes by measuring surface roughness according to ISO 25178 / ISO 4288

Correlation between grain size and standard roughness parameters using the Surface Roughness Analyzer …

Application Report

Production of ceramic surfaces

Methods for optimizing the surface of ceramic materials and coatings

Use Case


Fully automated measurements of surface and interfacial tension for quality control

Force Tensiometer

Coating of fibers

Methods for monitoring wetting, adhesion and cleaning

Use Case

Determine how clean surfaces are: Quickly and on the go

Optimizing residence times in cleaning baths

Application Report

Roll-off angle

The roll-off angle is the angle of inclination of a surface at which a drop rolls off it.


Contact angle

When an interface exists between a liquid and a solid, the angle between the surface of the liquid and …


Drop Shape Analyzer – DSA25E for wettability measurement and adhesion


From one-click wettability measurement to analysis of solid-liquid adhesion

Drop Shape Analyzer

Production of latex

Investigations into the wetting of immersion molds and into dispersion and emulsion stability

Use Case

Wettability of contact lenses

Contact angle measurements for ensuring quality and the development of biocompatible materials